Base | Representation |
---|---|
bin | 100101111100… |
… | …1100111011001 |
3 | 1101102212021021 |
4 | 1023321213121 |
5 | 20043144133 |
6 | 1550242441 |
7 | 331056100 |
oct | 113714731 |
9 | 41385237 |
10 | 19896793 |
11 | 1025a834 |
12 | 67b6421 |
13 | 4178467 |
14 | 28dd037 |
15 | 1b3052d |
hex | 12f99d9 |
19896793 has 12 divisors (see below), whose sum is σ = 23220432. Its totient is φ = 16999080.
The previous prime is 19896707. The next prime is 19896809. The reversal of 19896793 is 39769891.
It is not a de Polignac number, because 19896793 - 213 = 19888601 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 19896793.
It is not an unprimeable number, because it can be changed into a prime (19896493) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23646 + ... + 24472.
It is an arithmetic number, because the mean of its divisors is an integer number (1935036).
Almost surely, 219896793 is an apocalyptic number.
It is an amenable number.
19896793 is a deficient number, since it is larger than the sum of its proper divisors (3323639).
19896793 is an equidigital number, since it uses as much as digits as its factorization.
19896793 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1332 (or 1325 counting only the distinct ones).
The product of its digits is 734832, while the sum is 52.
The square root of 19896793 is about 4460.5821368965. The cubic root of 19896793 is about 270.9740447085.
The spelling of 19896793 in words is "nineteen million, eight hundred ninety-six thousand, seven hundred ninety-three".
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